Home / 74,574.74-102,913.18-40,583.36

Finding the Fourth Proportional to 74,574.74, 102,913.18 and 40,583.36

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Solution

The fourth proportional to 74,574.74, 102,913.18 and 40,583.36 is: 56,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.74 : 102,913.18 = 40,583.36 : x
  2. Step 2: Convert to fraction form
    74,574.74/102,913.18 = 40,583.36/x
  3. Step 3: Cross multiply
    74,574.74x = 102,913.18 × 40,583.36
  4. Step 4: Simplify right side
    74,574.74x = 4,176,562,788.51
  5. Step 5: Solve for x
    x = 4,176,562,788.51/74,574.74
  6. Step 6: Final answer
    x = 56,005.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.